Celebrate 11 Years of Adventure in this mystery-rich journey packed with puzzles, charm, and story-driven detective gameplay

The beloved Layton Series returns with its 11th Anniversary release, delivering a warm, witty adventure perfect for fans of narrative mystery games, detective puzzle adventures, and story-rich mobile games. Developed by LEVEL-5, LAYTON’S MYSTERY JOURNEY™: Katrielle and the Millionaires’ Conspiracy brings a fresh heroine, clever cases, and a polished mobile experience. The Starter Kit includes the prologue and Case 1 for free, with additional cases offered individually.

Step into the bustling heart of London and join Katrielle Layton as she bikes between iconic landmarks—from the Houses of Parliament to Tower Bridge—on a quirky, open-world anime gacha–style quest to find her missing father, Professor Hershel Layton. Explore clues, crack puzzles, and follow a trail of comedic intrigue as Kat stumbles into the mysterious Millionaires’ Conspiracy.

Uncover truth through logic, enjoy daily puzzle drops, customise Kat’s outfits and agency decor, and dive into twelve fully voiced cases starring an all-new cast and returning favourites. Perfect for fans of narrative puzzle role-playing games and cozy mystery adventures, this charming instalment proves once again that the truth is stranger than fiction.

• Modern, female protagonist leading a witty, story-rich investigation
• The largest puzzle collection in any Layton Series™ title
• Bonus daily puzzles delivered straight to your device
• New characters plus familiar faces for long-time fans
• High-quality, visually rich gaming experience with customisable costumes and decor
• Additional minigames and offline play after the initial download